Told in a documentary style, this crack. based-on-fact wartime espionage story stars James Cagney as Robert Sharkey, an O.S.S. agent sent into occupied France to uncover the site of a German missile silo before the Allied landing at Normandy. Learning of a double agent within his ranks, Sharkey arrives at a plan to thwart the Nazi spy's efforts through the spread of misinformation. With Annabella, Richard Conte, Frank Latimore, Sam Jaffe; look for Karl Malden, Sam Jaffe, and Red Buttons. 95 min. Standard; Soundtracks: English Dolby Digital mono, Spanish Dolby Digital mono; Subtitles: Spanish; newsreel footage; theatrical trailer.